<template>
  <div>
    <!--面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" stripe border>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="UserStateChange(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              @click="showEditDialog(scope.row.id)"
              circle
              size="mini"
            ></el-button>
            <el-button type="warning" icon="el-icon-delete" @click="removeUserById(scope.row.id)" circle size="mini"></el-button>
            <el-tooltip effect="dark" content="角色分配" placement="top-end" :enterable="false">
              <el-button type="danger" icon="el-icon-setting" circle size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page=" queryInfo.pagenum"
        :page-sizes="[1, 2, 4, 5]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" @close="addDailogClosed" width="50%">
      <!-- 内容主体区 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户对话框" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled="disabled"></el-input>
        </el-form-item>
         <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
         <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data () {
    // 验证邮箱规则
    var checkEmail = (rule, val, cb) => {
      const regEmail = /^[A-Za-z0-9\u4e00-\u9fa5]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/
      if (regEmail.test(val)) return cb()
      cb(new Error('请输入合法的邮箱地址'))
    }
    // 验证手机号规则
    var checkMobile = (rule, val, cb) => {
      const regMobile = /^[1][3,4,5,7,8][0-9]{9}$/
      if (regMobile.test(val)) return cb()
      cb(new Error('请输入合法的手机号'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 控制修改用户对话框
      editDialogVisible: false,
      // 添加表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 用户查询到的数据
      editForm: {},
      // 添加表单验证规则
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 16,
            message: '用户名的长度在6-16个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
    },
    handleSizeChange (val) {
      this.queryInfo.pagesize = val
      this.getUserList()
    },
    handleCurrentChange (val) {
      this.queryInfo.pagenum = val
      this.getUserList()
    },
    async UserStateChange (userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户表单的关闭事件
    addDailogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    addUser () {
      this.$refs.addFormRef.validate(async val => {
        console.log(val)
        if (!val) return
        // 发起用户添加请求
        const { data: res } = await this.$http.post('/users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('用户添加失败')
        }
        this.$message.success('用户添加成功')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    // 展示编辑用户对话框
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('用户信息查询失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听是否关闭修改对话框的关闭
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    editUserInfo () {
      this.$refs.editFormRef.validate(async val => {
        if (!val) return
        // 发起修改用户信息请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id, { email: this.editForm.email, mobile: this.editForm.mobile })
        if (res.meta.status !== 200) return this.$message.error('更新用户信息失败')
        // 关闭对话框
        this.editDialogVisible = false
        this.getUserList()
        this.$message.success('更新用户信息成功')
      })
    },
    async removeUserById (id) {
      // 弹框询问后删除
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
        .catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) return this.$message.error('删除用户失败')
      this.getUserList()
      this.$message.success('用户删除成功')
    }
  }
}
</script>
<style lang="less" scoped>
</style>
